1- what is the highest tier ( cluster ) prerformed a high sales

Outlet_Location_Type, Item_Outlet_Sales

Tier 3 performed with high sale

2- what is the top 5 products sales in each category in terms of fats categories

Item_Outlet_Sales, Item_Type, Item_Fat_Content

Dairy, Health and Hygiene, Frozen Foods, Frozen Foods

3- the relation between the outlet size and the sales

Item_Outlet_Sales, Outlet_Size

small sizes have highest sales high sizes have lowest sales

4- Relation between item visibility and item sales

Item_Visibility, Item_Outlet_Sales

sales rised when 30% to 50% item visability

Max sales

Min sales